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Lelechka [254]
2 years ago
8

at which phase of the cell cycle does the cytoplasm of a cell divide to form two daughter cells? a. s phase b. m phase c. c phas

e
Biology
1 answer:
viva [34]2 years ago
7 0
B. M Phase is the correct answer i believe.


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How is modern earth different from earth over 4 billion years ago?
igor_vitrenko [27]

Earth and its atmosphere are continuously altered. Plate tectonics shift the continents, raise mountains and move the ocean floor while processes not fully understood alter the climate. Such constant change has characterized Earth since its beginning some 4 billion years ago.

5 0
3 years ago
The wall of the left ventricle is thicker than that of the right and the left ventricle pumps more blood than the right. Are the
Rus_ich [418]

The wall of the left ventricle is thicker than that of the right - True

The left ventricle pumps more blood than the right - False

<u>Explanation:</u>

Heart has 4 number of chambers. One among these chambers is the left ventricle. Among the four cambers of the heart, the thick one is the left ventricle. It appears below the left atrium. The left ventricle is present in the bottom left part of the heart. When the contraction of heart occurs the blood from the valve called mitral enters the left atrium from the left atrium.  

The left ventricle transports the oxygenated blood to the human body. The left ventricle needs along these things for pumping the blood. The right ventricle can function by itself and is more powerful than left ventricle. The right ventricle is responsible in pumping blood to the lungs on its own.

7 0
3 years ago
In the electron transport system
antoniya [11.8K]

Answer:

A. NADH and FADH2 both donate electrons at the same location.

Explanation:

In the respiratory chain, four large protein complexes inserted into the mitochondrial inner membrane transport NADH and FADH₂ electrons (formed in glycolysis and the Krebs cycle) to oxygen gas, reducing them to NAD⁺ and FAD, respectively.

These electrons have great affinity for oxygen gas and, when combined with it, reduce it to water molecules at the end of the reaction.

Oxygen gas effectively participates in cellular respiration at this stage, so its absence would imply interruption of the process.

NADH and FADH₂ electrons, when attracted to oxygen, travel a path through protein complexes, releasing energy in this process.

The energy released by the NADH and FADH₂ electrons in the respiratory chain in theory yields <u>34</u> <u>ATP</u>, however, under normal conditions an average of 26 ATP molecules is formed.

If we consider that these 26 molecules are added to the two ATP formed in glycolysis and two ATP formed in the Krebs cycle, it can be said that cellular respiration reaches a maximum yield of 30 ATP per glucose molecule, although theoretically this number was 38 ATP per glucose molecule.

5 0
3 years ago
Jermaine was hiking in the rocky mountains for the first time and became sick. At the hospital, he was diagnosed with sickle-cel
Tom [10]

Sickle cell disorder is an inherited blood disease featured by defective hemoglobin. The condition affects the hemoglobin, or the red blood cells, and their tendency to conduct oxygen. The normal hemoglobin cells are round, smooth, and flexible, and thus, they can travel via the vessels in the body effortlessly.  

On the other hand, the sickle cell hemoglobin cells are sticky and stiff and form a sickle, C shape, when they lose their oxygen. These cells combine together, and cannot effortlessly move through the blood vessels.  


8 0
3 years ago
5. Cranberries have a pH between 2.3 and 2.5. This makes them an
ExtremeBDS [4]

Answer:

Cranberry Juice pH

Explanation:

Foods that have a pH above 7.0 are considered alkaline, while those with a pH below 7.0 are acidic. Cranberry juice typically features a pH of between 2.3 and 2.5, making it a fairly acidic beverage.

8 0
2 years ago
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